package cc.verywell.pureblock.util;

import java.nio.ByteBuffer;
import java.security.PublicKey;
import java.security.SignatureException;


/**
* 
*
* @author TanYaqiu 
* @address flat 601
* @date 2019年3月2日 上午11:39:08
*/
public interface SignClient extends EncryptUtil  {
	@Override
	public PublicKey getKey();
	public boolean check(ByteBuffer bb ,byte[] sign) throws SignatureException;
}
